note 102788 added to tutorial.useful

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Newsgroups php.notes
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I think should use "!==" in this sample after php4.
我觉得对php4以后的版本来说,在这个例子里面应该用 "!=="。
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Manual Page -- http://www.php.net/manual/en/tutorial.useful.php
Edit        -- https://master.php.net/note/edit/102788
Del: integrated  -- https://master.php.net/note/delete/102788/integrated
Del: useless     -- https://master.php.net/note/delete/102788/useless
Del: bad code    -- https://master.php.net/note/delete/102788/bad+code
Del: spam        -- https://master.php.net/note/delete/102788/spam
Del: non-english -- https://master.php.net/note/delete/102788/non-english
Del: in docs     -- https://master.php.net/note/delete/102788/in+docs
Del: other reasons-- https://master.php.net/note/delete/102788
Reject      -- https://master.php.net/note/reject/102788
Search      -- https://master.php.net/manage/user-notes.php
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